Model No.: ST100 Application: Front Tweeter: 1"*1 Mid-Range: 6. 5"*2 Woofer: 10"*2 Impedance: 4 Ω Max Power: 350W Sensitivity: 89+/-3db Frequency Response: 30HZ-28000HZ Crossover Frequency: 320HZ - 5200HZ Magnetic Shielding: No Product Dimension (H*W*D)mm: (1130*298*398)mm Net Weight: 27KG